Home / 141,708.06-195,554.70-78,051.78

Finding the Fourth Proportional to 141,708.06, 195,554.70 and 78,051.78

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Solution

The fourth proportional to 141,708.06, 195,554.70 and 78,051.78 is: 107,710.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,708.06 : 195,554.70 = 78,051.78 : x
  2. Step 2: Convert to fraction form
    141,708.06/195,554.70 = 78,051.78/x
  3. Step 3: Cross multiply
    141,708.06x = 195,554.70 × 78,051.78
  4. Step 4: Simplify right side
    141,708.06x = 15,263,392,422.37
  5. Step 5: Solve for x
    x = 15,263,392,422.37/141,708.06
  6. Step 6: Final answer
    x = 107,710.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.